DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED Award a ₱27.2M contract to R.T.Y. CONSTRUCTIONNational agencies

Transaction hash:

db87d311c4eb8aced767a3096f1637b918b0053a8bf659c7184519f25786b34a

Status:

Included and unchanged

Block:

#1,125 4,888 blocks after it

Position in block:

Transaction 28 of 33

Award day:

Apr 20, 2011 (15 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

R.T.Y. CONSTRUCTION

Value:

₱27,196,137.85

Project:

Road Upgrading (Gravel to Concrete) based on Gravel Road Strategies, Traffic Benchmark for Upgrading to Pave Road Standard (HDM-4 Project Analysis), Catanauan-Buenavista Road, KO250+(-482) – KO250+

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #1,125 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED awarded it to R.T.Y. CONSTRUCTION on 2011-04-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored db87d311c4…86b34anow …
2. Block Merkle root changed
stored 70029e007a…05c40cnow …
3. Block #1125 hash changed
stored e0b5a3f794…1ef8a5now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 32 records. Each step hashes the current value together with the sibling shown.

leaf db87d311c4eb8aced767a3096f1637b918b0053a8bf659c7184519f25786b34a
01 R ed64ebc05aa0c452d19d4a860732b100376d32c7dcde444e6ef538eefa2a4587
02 R 2fb72412bd231f8b1aa6293057ea0433211613b4fe98277267fe458b39d47ac6
03 L 81ddec2355aeed603c4e413d0a89c97bd3f7e4af4fcd17f2d3277477701426af
04 L f1f09553810b58337478746644cca08baf4ee2e748dae36120624166a552ba01
05 L ff09833a0b48454543d40034402356c6714a0d714f084ed3f33ff881df688f6c
06 R 5e55d68a52116250ea2c1254ccf481d894fc21fbe02bd095820712ed69ed5380
root 70029e007a23f6772078375ebd029ec1185fd66c15d50980c7871cae7a05c40c